def cancel(self, orderNumbers, account=None):
""" Cancels an order you have placed in a given market. Requires
only the "orderNumbers". An order number takes the form
``1.7.xxx``.
:param str orderNumbers: The Order Object ide of the form ``1.7.xxxx``
"""
if not account:
if "default_account" in config:
account = config["default_account"]
if not account:
raise ValueError("You need to provide an account")
account = Account(account, full=False, bitshares_instance=self)
if not isinstance(orderNumbers, (list, set)):
orderNumbers = set(orderNumbers)
op = []
for order in orderNumbers:
op.append(
operations.Limit_order_cancel(
**{
"fee": {
"amount": 0,
"asset_id": "1.3.0"
},
"fee_paying_account": account["id"],
"order": order,
"extensions": [],
"prefix": self.rpc.chain_params["prefix"]
}))
return self.finalizeOp(op, account["name"], "active")
def test_limit_order_cancel(self):
self.op = operations.Limit_order_cancel(**{
"fee": {"amount": 0,
"asset_id": "1.3.0"
},
"fee_paying_account": "1.2.104",
"order": "1.7.51840",
"extensions": []
})
self.cm = ("f68585abf4dce7c8045701020000000000000000006880950300000"
"11f3fb754814f3910c1a8845486b86057d2b4588ae559b4c3810828"
"c0d4cbec0e5b23517937cd7e0cc5ee8999d0777af7fe56d3c4b2e58"
"7421bfb7400d4efdae97a")
self.doit()
def test_limit_order_cancel(self):
op = operations.Limit_order_cancel(
**{
"fee": {
"amount": 0,
"asset_id": "1.3.0"
},
"fee_paying_account": "1.2.104",
"order": "1.7.51840",
"extensions": []
})
ops = [Operation(op)]
tx = Signed_Transaction(ref_block_num=ref_block_num,
ref_block_prefix=ref_block_prefix,
expiration=expiration,
operations=ops)
tx = tx.sign([wif], chain=prefix)
tx.verify([PrivateKey(wif).pubkey], "BTS")
txWire = hexlify(bytes(tx)).decode("ascii")
compare = ("f68585abf4dce7c8045701020000000000000000006880950300000"
"11f3fb754814f3910c1a8845486b86057d2b4588ae559b4c3810828"
"c0d4cbec0e5b23517937cd7e0cc5ee8999d0777af7fe56d3c4b2e58"
"7421bfb7400d4efdae97a")
self.assertEqual(compare[:-130], txWire[:-130])
